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<!----------------------------------------------------------
 
	Copyright (c) 2016-2018 Jean-Marc VIGLINO, 
	released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
	
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	<title>ol-ext: Modify interaction for touch device</title>
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	<meta name="description" content="transform interaction for OL3" />
	<meta name="keywords" content="ol3, vector, transform, rotate, scale, stretch" />

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	<script type="text/javascript" src="../../dist/ol-ext.js"></script>

	<style>
		.ol-popup.modifytouch a:before {
			content: "\274C";
			margin-right:.2em;
		}
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	<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>

	<a href="../../index.html">
		<h1>ol-ext: Modify interaction for touch device</h1>
	</a>
	<div class="info">
		<b>ol.interaction.ModifyTouch</b> is a modify interaction for touch devices 
		that display a poppup to delete a point when click on it.
		<br/>
		You can customize the popup using the <i>setPopupContent()</i> function.
		<br/>
		You can overide the <i>showDeleteBt()</i> function to do have a different behavior tha a popup (display a button on the map).
	</div>

	<!-- Map div -->
	<div id="map" style="width:600px; height:400px;"></div>

	<div class="options" >
    <h2>Options:</h2>
    <label><input id="menu" type="checkbox" onclick="showmenu();" checked="checked" /> 
      show popup/show menu
    </label>
	</div>

	<script type="text/javascript">
		// Layers
		var layers = [
			new ol.layer.Tile({
				title:'terrain-background',
				source: new ol.source.Stamen({ layer: 'terrain' })
			})
		];
		// The map
		var map = new ol.Map ({
      target: 'map',
      view: new ol.View ({
        zoom: 5,
        center: [261720, 5951081]
      }),
      layers: layers
    });

		// New vector layer
		var vector = new ol.layer.Vector({
      name: 'Vecteur',
			source: new ol.source.Vector(),
		})
		map.addLayer(vector);
		vector.getSource().addFeature(new ol.Feature(new ol.geom.Polygon([[[34243, 6305749], [-288626, 6000000], [-288626, 5757848], [-200000, 5500000], [210354, 5576845], [210354, 6000000], [34243, 6305749]]])));
		vector.getSource().addFeature(new ol.Feature(new ol.geom.LineString([[400000, 5664901], [480000, 5600000], [650000, 5718712], [700000, 6000000], [600000, 6200000], [425601, 6183449]])));
		vector.getSource().addFeature(new ol.Feature(new ol.geom.Point(	[269914, 6248592])));


		var select = new ol.interaction.Select({
			layers: [ vector ],
			hitTolerance: 5
		});
    map.addInteraction(select);
		
    // Interaction
    var modify = new ol.interaction.ModifyTouch({
		// source: vector.getSource(),
		features: select.getFeatures()
    });
	map.addInteraction(modify);
	
	//
	var bar = new ol.control.Bar();
	map.addControl(bar);
	var removeBt = new ol.control.Toggle({
    html: '<i class="fa fa-trash"></i>',
    onToggle: function(b) { 
      // Prevent openning on click
      removeBt.setActive(false);
    },
		bar: new ol.control.Bar({
			controls: [
				new ol.control.TextButton({
					html:"remove&nbsp;point", 
					handleClick: function(b) { 
						modify.removePoint();
					}
				})
			]
		})
	});
	bar.addControl(removeBt);

	// Handle bar
	modify.on('showpopup', function(e) {
		//console.log(e)
		if (!modify.get('usePopup')) removeBt.setActive(true);
	});
	modify.on('hidepopup', function(e) {
		//console.log(e)
		removeBt.setActive(false);
  });

  function showmenu () {
    modify.set('usePopup', $("#menu").prop('checked'));
    modify.setActive(true);
  }
	
</script>

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